curl http://localhost:8080/

###
curl http://localhost:8080/ \
    --include \
    --header "Content-Type: application/json" \
    --request "POST" \
    --data '{"id": "4","title": "The Modern Sound of Betty Carter","author": "Betty Carter"}'
 
 
###
curl http://localhost:8080/
   

###    
curl http://localhost:8080/

### 
curl -X "DELETE" http://localhost:8080

###
curl -X "PUT" http://localhost:8080 \
    --include \
    --header "Content-Type: application/json" \
    --request "PUT" \
    --data '{"id": "1","title": "test update","author": "update author"}'

###
curl http://localhost:8080/ \
    --include \
    --header "Content-Type: application/json" \
    --request "POST" \
    --data ''